CN215614719U

CN215614719U - Connecting rod type hydraulic olecranon scissors

Info

Publication number: CN215614719U
Application number: CN202121702447.5U
Authority: CN
Inventors: 施聪; 刘国庆; 李鹏鹏
Original assignee: Henan Juli Wire Rope Manufacturing Co ltd
Current assignee: Henan Juli Wire Rope Manufacturing Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-25
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a connecting rod type hydraulic olecranon shear, which comprises an upper cutter handle and a lower cutter handle which are in an olecranon shape, wherein L-shaped shearing blades are arranged at the front ends of the upper cutter handle and the lower cutter handle, the middle positions of the upper cutter handle and the lower cutter handle are hinged, the hinged joint of the two cutter handles is positioned on an angular bisector of the extension lines of the shearing blades at the front ends of the two cutter handles, the front end opening of the shearing part of a combination of the two cutter handles is smaller than the rear end, the front end is closed before the rear end during the operation of the shearing part, the lower cutter handle is fixedly installed, the tail end of the upper cutter handle is provided with an extension rod, and the tail end of the extension rod is hinged with a main hydraulic cylinder for driving the extension rod to swing.

Description

Connecting rod type hydraulic olecranon scissors

Technical Field

The utility model relates to the technical field of steel wire rope production equipment, in particular to a connecting rod type hydraulic olecranon shear.

Background

When shearing wire rope, because wire rope forms for stranded steel wire transposition, need share to cut, and it is great to cut required cutting force, among the prior art, except large-scale machinery, most rely on the manual work to cut, cut the in-process, need two operators to cooperate, and because the design of scissors shearing portion has a problem, easily cause wire rope from the roll-off of shearing position, influence shearing effect, consequently, the operator who grips wire rope needs to exert oneself and promotes wire rope backward, avoid the wire rope roll-off, and another operator need vigorously push down, in order to cut wire rope, whole process takes trouble and labours, and need double cooperation, efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a connecting rod type hydraulic olecranon shear, which is driven by hydraulic pressure, improves a shearing part, can be operated by one person, reduces the operation difficulty, improves the use efficiency and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a connecting rod formula hydraulic pressure olecranon is cut, includes last handle of a knife and lower handle of a knife of olecranon shape, the front end of going up handle of a knife and lower handle of a knife is provided with the shearing sword of L shape, it is articulated with lower handle of a knife intermediate position to go up the handle of a knife, and the pin joint of two sets of handles of a knife is in on the angular bisector of two sets of handle of a knife front ends shearing sword extension lines, and the shearing part front end opening of two sets of handle of a knife combinations is less than the rear end, and during the shearing part operation, the front end is closed before the rear end, lower handle of a knife fixed mounting, it is provided with the extension rod to go up the handle of a knife tail end, the tail end of extension rod articulates there is the main hydraulic cylinder of drive extension rod wobbling.

As a preferred technical scheme of the utility model, when the front end opening angle of the upper knife handle and the lower knife handle is the largest, the front end shearing edges of the upper knife handle and the lower knife handle are both in a downward inclined state, and the inclination angle of the front end shearing edge of the lower knife handle is larger than that of the front end shearing edge of the upper knife handle;

through the angle design to the front end shearing edge, the wire rope of the operator of being convenient for is placed.

As a preferred technical scheme of the utility model, when the main hydraulic cylinder is in the shortest stroke, hinged points at two ends of the main hydraulic cylinder are not collinear with hinged points of the two tool shanks, an auxiliary mechanism for pulling the hinged points to shift towards a fixed side is arranged at the hinged points of the extension rod and the main hydraulic cylinder, and the acting force directions of the auxiliary mechanism and the main hydraulic cylinder are not overlapped;

the two ends of the main hydraulic cylinder are hinged, the plane where the main hydraulic cylinder swings and the plane where the extension rod moves are coplanar, and the main hydraulic cylinder has an accurate swinging direction when the length of the main hydraulic cylinder changes under the action of the auxiliary mechanism, so that the randomness of the swinging direction of the main hydraulic cylinder is avoided.

As a preferred technical solution of the present invention, the auxiliary mechanism is an elastic member;

through the traction effect of the elastic part, the main hydraulic cylinder can drive the upper tool shank to swing to the position where the two tool shanks are combined in the extending process, and then the shearing action is completed.

As a preferred technical scheme of the utility model, the auxiliary mechanism is an auxiliary hydraulic cylinder, and the resultant force direction of the auxiliary hydraulic cylinder and the main hydraulic cylinder is vertical to a connecting line of a hinge point of the two tool shanks and a hinge point of the end part of the extension rod;

the resultant force direction is coincided with the rotating tangential direction of the upper knife handle through the resultant force action of the auxiliary hydraulic cylinder, namely the moment of the upper knife handle is prolonged, and therefore the shearing force is improved on the premise that the same acting force is applied.

Compared with the prior art, the utility model has the beneficial effects that: this connecting rod formula hydraulic pressure olecranon is cut through the design to the shearing position, makes the shearing in-process, and the front end is closed before the rear end, realizes the effect to the wire rope interlock, avoids the shearing in-process, and wire rope follows the slippage of shearing position, and combines the effect of master cylinder, realizes mechanized shearing, reduces artifical intensity of labour, and through the use of external foot-operated switch, realizes single hand material loading, the operation mode of foot control realizes single operation, promotes work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the combination of two tool shanks of the present invention;

FIG. 3 is a schematic view of a second embodiment of the present invention;

FIG. 4 is a schematic view of a third embodiment of the present invention;

FIG. 5 is a schematic view of the state during the cutting process of the present invention;

FIG. 6 is a schematic diagram of the state after the cutting is completed according to the present invention.

In the figure: 1. an upper knife handle; 2. a lower knife handle; 3. a master cylinder; 4. an auxiliary hydraulic cylinder; 5. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a connecting rod formula hydraulic pressure olecranon is cut, last handle of a knife 1 and lower handle of a knife 2 including olecranon shape, the front end of going up handle of a knife 1 and lower handle of a knife 2 is provided with the sword of cuting of L shape, it is articulated with 2 intermediate positions of lower handle of a knife 1 to go up handle of a knife, the pin joint of two sets of handles of a knife is in on the angular bisector of two sets of handle of a knife front end shearing sword extension lines, the shearing part front end opening of two sets of handle of a knife assemblies is less than the rear end, and during the shearing part operation, the front end is closed earlier than the rear end, 2 fixed mounting of lower handle of a knife, 1 tail end of going up the handle of a knife is provided with the extension rod, the tail end of extension rod articulates there is drive extension rod wobbling main hydraulic cylinder 3.

When the front end opening angle of the upper tool shank 1 and the lower tool shank 2 is the largest, the front end shearing edges of the upper tool shank 1 and the lower tool shank 2 are all in a downward inclined state, and the inclination angle of the front end shearing edge of the lower tool shank 2 is larger than that of the front end shearing edge of the upper tool shank 1;

When the main hydraulic cylinder 3 is in the shortest stroke, the hinge points at the two ends of the main hydraulic cylinder are not collinear with the hinge points of the two tool handles, an auxiliary mechanism for pulling the hinge points to deviate towards a fixed side is arranged at the hinge point of the extension rod and the main hydraulic cylinder 3, and the acting force directions of the auxiliary mechanism and the main hydraulic cylinder 3 are not overlapped;

the two ends of the main hydraulic cylinder 3 are hinged, the plane of the main hydraulic cylinder 3 and the plane of the extension rod are coplanar, and the main hydraulic cylinder 3 has an accurate swinging direction when the length changes under the action of the auxiliary mechanism, so that the randomness of the swinging direction is avoided.

The auxiliary mechanism is an elastic piece 5;

through the traction effect of the elastic piece 5, the main hydraulic cylinder 3 can drive the upper tool shank 1 to swing to the position where the two tool shanks are combined in the extending process, and then the shearing action is completed.

The auxiliary mechanism is an auxiliary hydraulic cylinder 4, and the resultant force direction of the auxiliary hydraulic cylinder 4 and the main hydraulic cylinder 3 is vertical to the connecting line of the hinge point of the two tool shanks and the hinge point of the end part of the extension rod;

the resultant force direction is coincided with the rotating tangential direction of the upper knife handle 1 through the resultant force action of the auxiliary hydraulic cylinder 4, namely the moment of the upper knife handle 1 is prolonged, and therefore the shearing force is improved on the premise of applying the same acting force.

When in use: the hinge points of the two groups of tool shanks are a, the hinge points of the extension rod, the main hydraulic cylinder 3 and the auxiliary hydraulic cylinder 4 are b, the hinge points of the main hydraulic cylinder 3 and the auxiliary hydraulic cylinder 4 and the frame are c and d respectively, wherein the included angle between ab and bc is alpha, when the main hydraulic cylinder 3 is in the shortest stroke, alpha is less than 180 degrees, along with the extension of the main hydraulic cylinder 3 and the shortening of the auxiliary hydraulic cylinder 4, alpha is gradually reduced, the shearing blades of the two groups of tool shanks are gradually closed, in the maximum opening and closing position, the included angle beta between the front shearing blade of the upper tool shank 1 and the horizontal plane is larger than the included angle gamma between the front shearing blade of the lower tool shank 2 and the horizontal plane, gamma is kept unchanged in the closing process, beta is gradually reduced and gradually increases in the reverse direction after being tilted upwards, namely the front opening of the shearing blade is closed first, the steel wire rope is locked into the rear end clamping seam, then the rear end is gradually closed, and the steel wire rope is locked into the corner position of the L-shaped shearing blade, thereby decide, avoid deciding preceding wire rope and cutting the sword separation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connecting rod formula hydraulic pressure olecranon is cut, includes last handle of a knife (1) and lower handle of a knife (2) of olecranon shape, its characterized in that: the utility model discloses a cutter handle assembly, including last handle of a knife (1), last handle of a knife (2), the front end of going up handle of a knife (1) and lower handle of a knife (2) is provided with the shearing sword of L shape, it is articulated with lower handle of a knife (2) intermediate position to go up handle of a knife (1), and the pin joint of two sets of handles of a knife is in on the angular bisector of two sets of handle of a knife front ends shearing sword extension lines, and the shearing part front end opening of two sets of handle of a knife combinations is less than the rear end, and during the shearing part operation, the front end is closed earlier than the rear end, lower handle of a knife (2) fixed mounting, it is provided with the extension rod to go up handle of a knife (1) tail end, the tail end of extension rod articulates there is drive extension rod wobbling master cylinder (3).

2. The link-type hydraulic olecranon shear of claim 1, wherein: when the front end opening angle of the upper tool shank (1) and the lower tool shank (2) is the largest, the front end shearing edges of the upper tool shank (1) and the lower tool shank (2) are both in a downward inclined state, and the inclination angle of the front end shearing edge of the lower tool shank (2) is larger than that of the front end shearing edge of the upper tool shank (1).

3. The link-type hydraulic olecranon shear of claim 1, wherein: when the main hydraulic cylinder (3) is in the shortest stroke, hinged points at two ends of the main hydraulic cylinder (3) and hinged points of the two tool handles are not collinear, an auxiliary mechanism for pulling the hinged points to be deviated to a fixed side is arranged at the hinged point of the extension rod and the main hydraulic cylinder (3), and the acting force directions of the auxiliary mechanism and the main hydraulic cylinder (3) are not overlapped.

4. The link-type hydraulic olecranon shear of claim 3, wherein: the auxiliary mechanism is an elastic piece (5).

5. The link-type hydraulic olecranon shear of claim 3, wherein: the auxiliary mechanism is an auxiliary hydraulic cylinder (4), and the resultant force direction of the auxiliary hydraulic cylinder (4) and the main hydraulic cylinder (3) is perpendicular to a connecting line of the hinged point of the two tool shanks and the hinged point of the end part of the extension rod.